80667540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 261206400

約数和(自身を除く): 180538860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 103, 114, 171, 180, 190, 206, 228, 229, 285, 309, 342, 380, 412, 458, 515, 570, 618, 684, 687, 855, 916, 927, 1030, 1140, 1145, 1236, 1374, 1545, 1710, 1854, 1957, 2060, 2061, 2290, 2748, 3090, 3420, 3435, 3708, 3914, 4122, 4351, 4580, 4635, 5871, 6180, 6870, 7828, 8244, 8702, 9270, 9785, 10305, 11742, 13053, 13740, 17404, 17613, 18540, 19570, 20610, 21755, 23484, 23587, 26106, 29355, 35226, 39140, 39159, 41220, 43510, 47174, 52212, 58710, 65265, 70452, 70761, 78318, 87020, 88065, 94348, 117420, 117935, 130530, 141522, 156636, 176130, 195795, 212283, 235870, 261060, 283044, 352260, 353805, 391590, 424566, 448153, 471740, 707610, 783180, 849132, 896306, 1061415, 1344459, 1415220, 1792612, 2122830, 2240765, 2688918, 4033377, 4245660, 4481530, 5377836, 6722295, 8066754, 8963060, 13444590, 16133508, 20166885, 26889180, 40333770, 80667540]

約数ペア:

[(1, 80667540), (2, 40333770), (3, 26889180), (4, 20166885), (5, 16133508), (6, 13444590), (9, 8963060), (10, 8066754), (12, 6722295), (15, 5377836), (18, 4481530), (19, 4245660), (20, 4033377), (30, 2688918), (36, 2240765), (38, 2122830), (45, 1792612), (57, 1415220), (60, 1344459), (76, 1061415), (90, 896306), (95, 849132), (103, 783180), (114, 707610), (171, 471740), (180, 448153), (190, 424566), (206, 391590), (228, 353805), (229, 352260), (285, 283044), (309, 261060), (342, 235870), (380, 212283), (412, 195795), (458, 176130), (515, 156636), (570, 141522), (618, 130530), (684, 117935), (687, 117420), (855, 94348), (916, 88065), (927, 87020), (1030, 78318), (1140, 70761), (1145, 70452), (1236, 65265), (1374, 58710), (1545, 52212), (1710, 47174), (1854, 43510), (1957, 41220), (2060, 39159), (2061, 39140), (2290, 35226), (2748, 29355), (3090, 26106), (3420, 23587), (3435, 23484), (3708, 21755), (3914, 20610), (4122, 19570), (4351, 18540), (4580, 17613), (4635, 17404), (5871, 13740), (6180, 13053), (6870, 11742), (7828, 10305), (8244, 9785), (8702, 9270)]